标题: PIC17C44 Datasheet [打印本页] 作者: enroo_ma 时间: 2009-8-20 14:32 标题: PIC17C44 Datasheet PIC17C42/42A/43/44/CR42A/CR43 Datasheet (4/1/2003)
Devices included in this data sheet:
• PIC17CR42
• PIC17C42A
• PIC17C43
• PIC17CR43
• PIC17C44
• PIC17C42†
Microcontroller Core Features:
• Only 58 single word instructions to learn
• All single cycle instructions (121 ns) except for
program branches and table reads/writes which
are two-cycle
• Operating speed:
- DC - 33 MHz clock input
- DC - 121 ns instruction cycle
• Hardware Multiplier
(Not available on the PIC17C42)
• Interrupt capability
• 16 levels deep hardware stack
• Direct, indirect and relative addressing modes
• Internal/External program memory execution
• 64K x 16 addressable program memory space
Peripheral Features:
• 33 I/O pins with individual direction control
• High current sink/source for direct LED drive
- RA2 and RA3 are open drain, high voltage
(12V), high current (60 mA), I/O
• Two capture inputs and two PWM outputs
- Captures are 16-bit, max resolution 160 ns
- PWM resolution is 1- to 10-bit
• TMR0: 16-bit timer/counter with 8-bit programma-
ble prescaler
• TMR1: 8-bit timer/counter
†NOT recommended for new designs, use 17C42A.
• TMR2: 8-bit timer/counter
• TMR3: 16-bit timer/counter
• Universal Synchronous Asynchronous Receiver
Transmitter (USART/SCI)
Special Microcontroller Features:
• Power-on Reset (POR), Power-up Timer (PWRT)
and Oscillator Start-up Timer (OST)
• Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
• Code-protection
• Power saving SLEEP mode
• Selectable oscillator options
CMOS Technology:
• Low-power, high-speed CMOS EPROM/ROM
technology
• Fully static design
• Wide operating voltage range (2.5V to 6.0V)
• Commercial and Industrial Temperature Range
• Low-power consumption
- < 5 mA @ 5V, 4 MHz
- 100 µA typical @ 4.5V, 32 kHz
- < 1 µA typical standby current @ 5V
